Home / 2,447.88-3,378.42-1,516.68

Finding the Fourth Proportional to 2,447.88, 3,378.42 and 1,516.68

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Solution

The fourth proportional to 2,447.88, 3,378.42 and 1,516.68 is: 2,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.88 : 3,378.42 = 1,516.68 : x
  2. Step 2: Convert to fraction form
    2,447.88/3,378.42 = 1,516.68/x
  3. Step 3: Cross multiply
    2,447.88x = 3,378.42 × 1,516.68
  4. Step 4: Simplify right side
    2,447.88x = 5,123,982.05
  5. Step 5: Solve for x
    x = 5,123,982.05/2,447.88
  6. Step 6: Final answer
    x = 2,093.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.